<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <title></title>
  <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
  <script type="text/javascript" src="../internal.js"></script>
  <style type="text/css">
    * {
      margin: 0;
      padding: 0;
      color: #838383;
    }

    table {
      font-size: 12px;
      margin: 10px;
      line-height: 30px
    }

    .txt {
      width: 300px;
      height: 21px;
      line-height: 21px;
      border: 1px solid #d7d7d7;
    }
  </style>
</head>
<body>
<table>
  <tr>
    <td><label for="text"> <var id="lang_input_text"></var></label></td>
    <td><input class="txt" id="text" type="text" disabled="true"/></td>
  </tr>
  <tr>
    <td><label for="href"> <var id="lang_input_url"></var></label></td>
    <td><input class="txt" id="href" type="text"/></td>
  </tr>
  <tr>
    <td><label for="title"> <var id="lang_input_title"></var></label></td>
    <td><input class="txt" id="title" type="text"/></td>
  </tr>
  <tr>
    <td colspan="2">
      <label for="target"><var id="lang_input_target"></var></label>
      <input id="target" type="checkbox"/>
    </td>
  </tr>
  <tr>
    <td colspan="2" id="msg"></td>
  </tr>
</table>
<script type="text/javascript">
  var range = editor.selection.getRange(),
      link = range.collapsed ? editor.queryCommandValue("link") : editor.selection.getStart(),
      url,
      text = $G('text'),
      rangeLink = domUtils.findParentByTagName(range.getCommonAncestor(), 'a', true),
      orgText;
  link = domUtils.findParentByTagName(link, "a", true);
  if (link) {
    url = utils.html(link.getAttribute('_href') || link.getAttribute('href', 2));

    if (rangeLink === link && !link.getElementsByTagName('img').length) {
      text.removeAttribute('disabled');
      orgText = text.value = link[browser.ie ? 'innerText' : 'textContent'];
    } else {
      text.setAttribute('disabled', 'true');
      text.value = lang.validLink;
    }

  } else {
    if (range.collapsed) {
      text.removeAttribute('disabled');
      text.value = '';
    } else {
      text.setAttribute('disabled', 'true');
      text.value = lang.validLink;
    }

  }
  $G("title").value = url ? link.title : "";
  $G("href").value = url ? url : '';
  $G("target").checked = url && link.target == "_blank" ? true : false;
  $focus($G("href"));

  function handleDialogOk() {
    var href = $G('href').value.replace(/^\s+|\s+$/g, '');
    if (href) {
      if (!hrefStartWith(href, ["http", "/", "ftp://", '#'])) {
        href = "http://" + href;
      }
      var obj = {
        'href': href,
        'target': $G("target").checked ? "_blank" : '_self',
        'title': $G("title").value.replace(/^\s+|\s+$/g, ''),
        '_href': href
      };
      //修改链接内容的情况太特殊了，所以先做到这里了
      //todo:情况多的时候，做到command里
      if (orgText && text.value != orgText) {
        link[browser.ie ? 'innerText' : 'textContent'] = obj.textValue = text.value;
        range.selectNode(link).select()
      }
      if (range.collapsed) {
        obj.textValue = text.value;
      }
      editor.execCommand('link', utils.clearEmptyAttrs(obj));
      dialog.close();
    }
  }

  dialog.onok = handleDialogOk;
  $G('href').onkeydown = $G('title').onkeydown = function (evt) {
    evt = evt || window.event;
    if (evt.keyCode == 13) {
      handleDialogOk();
      return false;
    }
  };
  $G('href').onblur = function () {
    if (!hrefStartWith(this.value, ["http", "/", "ftp://", '#'])) {
      $G("msg").innerHTML = "<span style='color: red'>" + lang.httpPrompt + "</span>";
    } else {
      $G("msg").innerHTML = "";
    }
  };

  function hrefStartWith(href, arr) {
    href = href.replace(/^\s+|\s+$/g, '');
    for (var i = 0, ai; ai = arr[i++];) {
      if (href.indexOf(ai) == 0) {
        return true;
      }
    }
    return false;
  }


</script>
</body>
</html>
